diff --git a/src/sbbs3/umonitor/umonitor.c b/src/sbbs3/umonitor/umonitor.c
index e53cd75fd1e329f2a10a255c6ade39d4db37c656..8c5e9ef9940304242c66e7dd49e1ca6192a3a87a 100644
--- a/src/sbbs3/umonitor/umonitor.c
+++ b/src/sbbs3/umonitor/umonitor.c
@@ -948,7 +948,7 @@ USAGE:
 #endif
 					         "       A = ANSI mode\n"
 					         "-l# =  set screen lines to #\n"
-					         "-s# =  set idle slsep to # milliseconds (defualt: %d)\n"
+					         "-s# =  set idle slsep to # milliseconds (default: %d)\n"
 					    ,argv[0]
 					    ,idle_sleep
 					);